Annotations: 7KQ1

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E	SCOP2B Superfamily	DNA clamp	8032796	3000780	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	DNA clamp	8032796	3000780	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	DNA clamp	8032796	3000780	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	DNA clamp	8032799	3000780	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	SNF	e7kq1E1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: SNF	ECOD (v294.1)
C	14-3-3	e7kq1C1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: 14-3-3	ECOD (v294.1)
A	14-3-3	e7kq1A1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: 14-3-3	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C, E	PF02747	Proliferating cell nuclear antigen, C-terminal domain (PCNA_C)	Proliferating cell nuclear antigen, C-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain
A, C, E	PF00705	Proliferating cell nuclear antigen, N-terminal domain (PCNA_N)	Proliferating cell nuclear antigen, N-terminal domain	N-terminal and C-terminal domains of PCNA are topologically identical. Three PCNA molecules are tightly associated to form a closed ring encircling duplex DNA.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D, F	LYS-ARG-ARG-GLN-THR-SER-MET-THR-ASP-PHE-TYR-HIS-SER-LYS-ARG	enzyme regulator activity cyclin-dependent protein kinase regulator activity enzyme inhibitor activity protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity cyclin-dependent protein serine/threonine kinase inhibitor activity molecular function regulator activity cyclin-dependent protein serine/threonine kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity protein-containing complex binding binding enzyme regulator activity cyclin-dependent protein kinase regulator activity enzyme inhibitor activity protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity cyclin-dependent protein serine/threonine kinase inhibitor activity molecular function regulator activity cyclin-dependent protein serine/threonine kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity protein-containing complex binding binding ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme binding molecular sequestering activity protein sequestering activity cyclin binding protein serine/threonine kinase binding kinase binding protein kinase binding molecular function activator activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cellular localization nucleocytoplasmic transport transport nuclear transport intracellular transport establishment of localization localization intercellular transport cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process cellular localization nucleocytoplasmic transport transport nuclear transport intracellular transport establishment of localization localization intercellular transport import into nucleus establishment of localization in cell developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development stress-induced premature senescence cellular senescence replicative senescence cell cycle cell cycle process regulation of cellular process positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of biological process biological regulation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process DNA replication positive regulation of DNA metabolic process metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process regulation of DNA replication tissue regeneration developmental growth growth regeneration cell population proliferation epithelial cell proliferation keratinocyte proliferation response to ionizing radiation cellular response to ionizing radiation response to radiation response to abiotic stimulus cellular response to radiation cellular response to abiotic stimulus cellular response to environmental stimulus regulation of growth regulation of cellular component organization negative regulation of biological process negative regulation of cell growth regulation of cell growth cell growth cellular component organization negative regulation of growth negative regulation of cellular process cellular component organization or biogenesis establishment of protein localization protein localization to nucleus establishment of protein localization to organelle protein transport macromolecule localization protein localization to organelle protein import into nucleus intracellular protein localization intracellular protein transport regulation of cell cycle phase transition DNA damage checkpoint signaling signaling negative regulation of cell cycle cell cycle phase transition regulation of cell cycle G1/S phase transition cell cycle G1/S phase transition intracellular signal transduction mitotic cell cycle negative regulation of mitotic cell cycle cell communication regulation of mitotic cell cycle mitotic DNA integrity checkpoint signaling mitotic DNA damage checkpoint signaling negative regulation of cell cycle phase transition signal transduction regulation of cell cycle negative regulation of G1/S transition of mitotic cell cycle mitotic G1/S transition checkpoint signaling negative regulation of mitotic cell cycle phase transition regulation of cell cycle process negative regulation of cell cycle G1/S phase transition DNA integrity checkpoint signaling negative regulation of cell cycle process cell cycle checkpoint signaling regulation of mitotic cell cycle phase transition mitotic cell cycle checkpoint signaling mitotic G1 DNA damage checkpoint signaling mitotic cell cycle process regulation of G1/S transition of mitotic cell cycle signal transduction in response to DNA damage G1/S transition of mitotic cell cycle mitotic cell cycle phase transition embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development response to light stimulus response to UV response to UV-B cellular response to UV-B cellular response to light stimulus cellular response to UV fibroblast proliferation cell cycle G2/M phase transition regulation of G2/M transition of mitotic cell cycle G2/M transition of mitotic cell cycle regulation of cell cycle G2/M phase transition regulation of protein modification process positive regulation of phosphorylation regulation of catalytic activity regulation of protein phosphorylation positive regulation of protein metabolic process regulation of transferase activity positive regulation of phosphate metabolic process positive regulation of molecular function positive regulation of protein modification process phosphate-containing compound metabolic process protein metabolic process positive regulation of protein kinase activity phosphorus metabolic process protein modification process positive regulation of protein phosphorylation protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process positive regulation of catalytic activity regulation of protein kinase activity regulation of molecular function positive regulation of kinase activity regulation of kinase activity macromolecule modification regulation of phosphorylation regulation of phosphorus metabolic process positive regulation of cell population proliferation positive regulation of B cell proliferation regulation of leukocyte activation regulation of cell activation lymphocyte activation leukocyte proliferation leukocyte activation positive regulation of lymphocyte activation positive regulation of cell activation regulation of B cell proliferation lymphocyte proliferation regulation of B cell activation positive regulation of leukocyte activation positive regulation of mononuclear cell proliferation regulation of immune system process regulation of multicellular organismal process positive regulation of immune system process regulation of lymphocyte proliferation regulation of leukocyte proliferation B cell activation cell activation positive regulation of lymphocyte proliferation B cell proliferation positive regulation of B cell activation regulation of cell population proliferation mononuclear cell proliferation immune system process positive regulation of leukocyte proliferation regulation of mononuclear cell proliferation positive regulation of multicellular organismal process regulation of lymphocyte activation response to nutrient levels cellular response to amino acid starvation cellular response to starvation cellular response to nutrient levels response to amino acid starvation response to starvation regulation of vascular associated smooth muscle cell proliferation negative regulation of cell population proliferation regulation of smooth muscle cell proliferation negative regulation of vascular associated smooth muscle cell proliferation smooth muscle cell proliferation negative regulation of smooth muscle cell proliferation muscle cell proliferation vascular associated smooth muscle cell proliferation epithelium development epidermal cell differentiation cellular developmental process epidermis development tissue development epithelial cell differentiation skin development cell differentiation keratinocyte differentiation cell death apoptotic signaling pathway apoptotic process intrinsic apoptotic signaling pathway programmed cell death cellular response to gamma radiation response to gamma radiation regulation of DNA biosynthetic process nucleic acid biosynthetic process negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of DNA metabolic process regulation of macromolecule biosynthetic process DNA biosynthetic process negative regulation of DNA biosynthetic process regulation of fibroblast proliferation positive regulation of fibroblast proliferation cellular response to cell-matrix adhesion reactive oxygen species metabolic process positive regulation of reactive oxygen species metabolic process regulation of reactive oxygen species metabolic process small GTPase-mediated signal transduction Ras protein signal transduction intracellular signaling cassette oncogene-induced cell senescence mitotic G2 DNA damage checkpoint signaling mitotic G2/M transition checkpoint negative regulation of cell cycle G2/M phase transition negative regulation of G2/M transition of mitotic cell cycle regulation of developmental growth regulation of developmental process negative regulation of developmental process negative regulation of cardiac muscle tissue regeneration negative regulation of developmental growth cardiac muscle tissue regeneration regulation of cardiac muscle tissue regeneration wound healing response to wounding positive regulation of programmed cell death regulation of programmed cell death signal transduction by p53 class mediator DNA damage response, signal transduction by p53 class mediator intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator intrinsic apoptotic signaling pathway by p53 class mediator intrinsic apoptotic signaling pathway in response to DNA damage gene expression regulation of gene expression negative regulation of gene expression	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus nuclear protein-containing complex intracellular membrane-bounded organelle PCNA-p21 complex membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen nucleoplasm nuclear body
A, C, E	Proliferating cell nuclear antigen	protein-containing complex binding binding hydrolase activity, acting on glycosyl bonds catalytic activity, acting on DNA purine-specific mismatch base pair DNA N-glycosylase activity catalytic activity, acting on a nucleic acid hydrolase activity DNA N-glycosylase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity mismatch base pair DNA N-glycosylase activity protein tyrosine kinase binding protein binding kinase binding protein-containing complex binding binding hydrolase activity, acting on glycosyl bonds catalytic activity, acting on DNA purine-specific mismatch base pair DNA N-glycosylase activity catalytic activity, acting on a nucleic acid hydrolase activity DNA N-glycosylase activity hydrolase activity, hydrolyzing N-glycosyl compounds catalytic activity mismatch base pair DNA N-glycosylase activity protein tyrosine kinase binding protein binding kinase binding signaling receptor binding receptor tyrosine kinase binding enzyme binding protein kinase binding identical protein binding chromatin binding DNA binding DNA insertion or deletion binding double-stranded DNA binding mismatched DNA binding dinucleotide insertion or deletion binding nucleic acid binding mismatch repair complex binding MutLalpha complex binding damaged DNA binding histone acetyltransferase binding enzyme regulator activity DNA polymerase processivity factor activity enzyme activator activity molecular function activator activity molecular function regulator activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding DNA-binding transcription factor binding nuclear estrogen receptor binding DNA polymerase binding	developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development DNA-templated DNA replication DNA-templated DNA replication maintenance of fidelity primary metabolic process DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA replication metabolic process cellular process macromolecule metabolic process replication fork processing leading strand elongation DNA strand elongation DNA strand elongation involved in DNA replication ovulation cycle rhythmic process estrous cycle reproductive process multicellular organismal reproductive process cellular response to stimulus mismatch repair response to stimulus cellular response to stress DNA damage response response to stress DNA repair regulation of cellular process positive regulation of DNA replication positive regulation of biological process regulation of primary metabolic process positive regulation of metabolic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of biological process biological regulation regulation of macromolecule metabolic process positive regulation of DNA metabolic process regulation of metabolic process regulation of DNA metabolic process regulation of DNA replication epithelium development cellular developmental process cell differentiation tissue development epithelial cell differentiation translesion synthesis nucleobase-containing compound biosynthetic process DNA damage tolerance macromolecule biosynthetic process DNA synthesis involved in DNA replication nucleic acid biosynthetic process biosynthetic process DNA biosynthetic process regulation of cellular response to stress positive regulation of response to stimulus positive regulation of DNA repair regulation of response to stress regulation of DNA repair regulation of response to stimulus response to ketone response to lipid response to endogenous stimulus response to glucocorticoid response to oxygen-containing compound response to corticosteroid response to hormone response to steroid hormone response to chemical response to dexamethasone response to acid chemical response to nitrogen compound response to L-glutamate response to amino acid cellular response to chemical stimulus cellular response to xenobiotic stimulus response to xenobiotic stimulus nuclear DNA replication telomere organization cell cycle DNA replication mitotic cell cycle telomere maintenance via semi-conservative replication cellular component organization mitotic telomere maintenance via semi-conservative replication cell cycle cellular component organization or biogenesis cell cycle process chromosome organization telomere maintenance organelle organization mitotic cell cycle process negative regulation of biological process RNA metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process gene expression regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process chromatin organization gland development animal organ regeneration liver development regeneration hepaticobiliary system development liver regeneration cellular response to oxidative stress cellular response to chemical stress cellular response to oxygen-containing compound cellular response to hydrogen peroxide response to reactive oxygen species response to hydrogen peroxide response to oxidative stress cellular response to reactive oxygen species response to light stimulus cellular response to radiation response to UV cellular response to environmental stimulus cellular response to light stimulus response to radiation response to abiotic stimulus cellular response to abiotic stimulus cellular response to UV base-excision repair, gap-filling base-excision repair response to metal ion response to cadmium ion response to estradiol	protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex serine/threonine protein kinase complex cyclin-dependent protein kinase holoenzyme complex transferase complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure membraneless organelle intracellular membraneless organelle chromatin chromosome PCNA complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle enzyme activator complex DNA polymerase processivity factor complex male germ cell nucleus germ cell nucleus membrane-enclosed lumen nuclear replication fork nuclear chromosome intracellular organelle lumen organelle lumen replication fork nuclear lumen chromosome, telomeric region chromosomal region PCNA-p21 complex centrosome microtubule organizing center cytoskeleton microtubule cytoskeleton nucleoplasm endomembrane system organelle envelope nuclear envelope nuclear periphery nuclear lamina nuclear body protein-DNA complex replisome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D, F	IPR003175	Cyclin-dependent kinase inhibitor domain	Domain
B, D, F	IPR044898	Cyclin-dependent kinase inhibitor domain superfamily	Homologous Superfamily
B, D, F	IPR029841	Cyclin-dependent kinase inhibitor 1	Family
A, C, E	IPR046938	DNA clamp superfamily	Homologous Superfamily
A, C, E	IPR022648	Proliferating cell nuclear antigen, PCNA, N-terminal	Domain
A, C, E	IPR000730	Proliferating cell nuclear antigen, PCNA	Family
A, C, E	IPR022649	Proliferating cell nuclear antigen, PCNA, C-terminal	Domain
A, C, E	IPR022659	Proliferating cell nuclear antigen, PCNA, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B, D, F	Pharos: P38936	transitional cell carcinoma urinary bladder cancer esophageal squamous cell carcinoma malignant mesothelioma papilloma prostate cancer Hypertrophy kidney disease gastric cancer squamous papilloma intestinal cancer malignant colon neoplasm HIV infectious disease atrial fibrillation cancer transitional cell carcinoma urinary bladder cancer esophageal squamous cell carcinoma malignant mesothelioma papilloma prostate cancer Hypertrophy kidney disease gastric cancer squamous papilloma intestinal cancer malignant colon neoplasm HIV infectious disease atrial fibrillation cancer multiple endocrine neoplasia type 1 gastric neoplasm hereditary diffuse gastric adenocarcinoma abdominal aortic aneurysm benign colon neoplasm colonic neoplasm diabetic kidney disease Duchenne muscular dystrophy oligodendroglioma ovarian cancer papillomatosis glioblastoma tuberculosis ischemia reperfusion injury urinary bladder neoplasm astrocytic tumor large cell medulloblastoma breast disease lung benign neoplasm colorectal cancer myopathy ductal breast carcinoma in situ open-angle glaucoma eye disease pancreatic ductal adenocarcinoma gastric carcinoma pituitary cancer hematologic disease psoriasis subependymal giant cell astrocytoma intestinal neoplasm type 2 diabetes mellitus juvenile dermatomyositis limb-girdle muscular dystrophy lung cancer congestive heart failure dilated cardiomyopathy Emery-Dreifuss muscular dystrophy osteosarcoma facioscapulohumeral muscular dystrophy
A, C, E	Pharos: P12004	psoriasis ataxia-telangiectasia-like disorder 2 hepatoblastoma adenocarcinoma malignant colon neoplasm granular cell carcinoma Radiation Injuries, Experimental tubular adenocarcinoma focal segmental glomerulosclerosis pancreatic intraductal papillary-mucinous neoplasm endometriosis primitive neuroectodermal tumor glioblastoma pustulosis palmaris et plantaris Sjogren syndrome psoriasis ataxia-telangiectasia-like disorder 2 hepatoblastoma adenocarcinoma malignant colon neoplasm granular cell carcinoma Radiation Injuries, Experimental tubular adenocarcinoma focal segmental glomerulosclerosis pancreatic intraductal papillary-mucinous neoplasm endometriosis primitive neuroectodermal tumor glioblastoma pustulosis palmaris et plantaris Sjogren syndrome large cell medulloblastoma lung cancer astrocytic tumor nasopharyngeal carcinoma neurodegenerative disease colonic neoplasm ovarian cancer dermatomyositis pituitary cancer IgA glomerulonephritis ischemic disease lung adenocarcinoma ataxia-telangiectasia-like disorder malignant glioma atypical teratoid rhabdoid tumor medulloblastoma brain cancer breast cancer non-small cell lung carcinoma cribriform carcinoma pancreatic intraductal papillary-mucinous carcinoma ductal breast carcinoma in situ invasive ductal breast carcinoma juvenile dermatomyositis lung benign neoplasm lymphoplasmacytic lymphoma ataxia-telangiectasia-like disorder 1 benign colon neoplasm myopathy breast carcinoma oligodendroglioma cribriform carcinoma of breast

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.